Eriko Miura is a married woman living a peaceful and moderately happy life. However, she gradually begins to feel bored with her daily routine. Her old friend Yurie Matsushima invites her into a lesbian relationship, leading Eriko to take her first steps into this new world. Initially gentle and reserved, Eriko slowly awakens to her hidden desires, transforming into a bold and alluring woman. This title captures her emotional transformation and growing passion.